diff --git a/help-ru.html b/help-ru.html
index 5447f54..619fa27 100644
--- a/help-ru.html
+++ b/help-ru.html
@@ -377,6 +377,7 @@ pip install .
 # Запустить сервер
 pysim-otaman-server --http-port 8080</pre>
 	<p class="text-sm mb-3">Подключите PC/SC-ридер с SIM-картой и укажите в PWA адрес <code class="font-mono text-sm">http://127.0.0.1:8080</code>.</p>
+	<p class="text-sm mb-3">Если PWA раздаётся с публичного HTTPS-хоста (например, <code class="font-mono text-sm">https://otaman.example.com</code>), браузер применяет Private Network Access: сервер автоматически отвечает на preflight заголовком <code class="font-mono text-sm">Access-Control-Allow-Private-Network: true</code>, поэтому локальный сервер карт остаётся доступным из размещённого PWA.</p>
 
 
 <section class="mb-10">
diff --git a/help.html b/help.html
index 2343392..b936910 100644
--- a/help.html
+++ b/help.html
@@ -377,6 +377,7 @@ pip install .
 # Start the server
 pysim-otaman-server --http-port 8080</pre>
 	<p class="text-sm mb-3">Connect a PC/SC reader with a SIM card, then point the PWA at <code class="font-mono text-sm">http://127.0.0.1:8080</code>.</p>
+	<p class="text-sm mb-3">If the PWA is served from a public HTTPS host (e.g. <code class="font-mono text-sm">https://otaman.example.com</code>), the browser enforces Private Network Access: the server answers the preflight with <code class="font-mono text-sm">Access-Control-Allow-Private-Network: true</code> automatically, so a local card server stays reachable from the hosted PWA.</p>
 
 
 <section class="mb-10">
diff --git a/index.html b/index.html
index fdc2aae..f8d3bb6 100644
--- a/index.html
+++ b/index.html
@@ -17,7 +17,7 @@
 <div class="max-w-7xl mx-auto px-6 py-4">
 
 	<div class="flex items-center justify-between mb-6">
-		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v1.6.0</span></h1>
+		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v1.6.1</span></h1>
 		<div class="flex items-center gap-4">
 			<button id="install-btn" class="px-2 py-1 text-xs rounded border border-gray-300 dark:border-slate-600 hover:bg-gray-200 dark:hover:bg-slate-700" style="display:none">INSTALL PWA [for offline use]</button>
 			<a href="https://github.com/anttro/otaman" target="_blank" class="text-xs text-gray-400 hover:text-gray-600 dark:text-slate-500 dark:hover:text-slate-300">github</a>